`1/2xx 5/4 + 6/8 xx 10/9`

Perform the following multiplication a) 2/9 xx 7/8 xx 1/9 b) 1/3 xx 4/5 xx 1/4 c) 1/3 xx 2/4 xx 5/3 d) 1/2 xx 1/3 xx 1/4 e) 1/5 xx 2/5 xx 2/3 f) 2/3 xx 5/6 xx 1/4

If 5 xx 7 = 5, 12 xx 3 = 6, 8 xx 9 = 2 what is the value of 6 x 8 = ?

The value of 5 1/3xx2 1/7xx9 2/5xx4 3/8xx2 6/47 is :- 5 1/3xx2 1/7xx9 2/5xx4 3/8xx2 6/47 का मान है :

Calculate the following a. (6.7 xx 10^(5)) xx (4.6 xx 10^(4)) b. (7.6 xx 10^(7)) xx (3.8 xx 10^(-4)) c. (6.8 xx 10^(-3)) xx (5.2 xx 10^(-4)) d. (6.7 xx 10^(5)) / (4.6 xx 10^(4)) e. (7.6 xx 10^(7)) / (3.8 xx 10^(-4)) f. (6.8 xx 10^(-3)) / (3.8 xx 10^(-4)) g. 7.65 xx 10^(2) + 2.72 xx 10^(3) h. 7.87 xx 10^(-4) - 2.61 xx 10^(-5)

The unit digit of expression (1 xx 2 xx 3 xx 4 xx 5 xx 6 xx 7 xx 8 xx 9 xx 10)/(100) .

(3/-2 xx 4/9)+(9/5xx-10/3)